The Big Bang Theory Season 8 Episode 6: Sheldon and Raj Stuck in a Mine? Where to Watch it Live Stream Online

The 6th episode is titled, The Expedition Approximation, where Sheldon and Raj see if they can survive intense heat when they venture deep underground in the name of science.

The official synopsis reads:

Sheldon and Raj test whether they could survive a dark-matter research expedition in a salt mine by simulating the conditions in a steam tunnel. Meanwhile, Leonard and Penny seek advice from Wolowitz and Bernadette after they fight about money.